High electrochemical performance of metal azolate framework-derived ZnO/Co3O4 for supercapacitors
Hao Zhu
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Search for more papers by this authorJie Liu
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Search for more papers by this authorCorresponding Author
Qianli Zhang
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Shandong Key Laboratory of Biochemical Analysis; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, China
Correspondence
Qianli Zhang and Jie Wei, College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, 215009, China.
Email: [email protected] (Q. Z) and (J. W.)
Email: [email protected]
Search for more papers by this authorCorresponding Author
Jie Wei
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Correspondence
Qianli Zhang and Jie Wei, College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, 215009, China.
Email: [email protected] (Q. Z) and (J. W.)
Email: [email protected]
Search for more papers by this authorHao Zhu
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Search for more papers by this authorJie Liu
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Search for more papers by this authorCorresponding Author
Qianli Zhang
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Shandong Key Laboratory of Biochemical Analysis; College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology, Qingdao, China
Correspondence
Qianli Zhang and Jie Wei, College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, 215009, China.
Email: [email protected] (Q. Z) and (J. W.)
Email: [email protected]
Search for more papers by this authorCorresponding Author
Jie Wei
College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, China
Correspondence
Qianli Zhang and Jie Wei, College of Chemistry and Material Engineering, Jiangsu Key Laboratory for Environment Functional Materials, Suzhou University of Science and Technology, Suzhou, 215009, China.
Email: [email protected] (Q. Z) and (J. W.)
Email: [email protected]
Search for more papers by this authorFunding information: National Natural Science Foundation of China, Grant/Award Numbers: 20905055, 511782, 21702143; the open projects from College of Chemistry and Molecular Engineering of Qingdao University of Science and Technology, Grant/Award Number: QUSTHX201906
Summary
Metal azolate frameworks MAF-6 (Zn, ZnCo, and Co) were fabricated with a facile solution mixture method. Flower-like ZnO/Co3O4 was synthesized with MAF-6 as the template in a solvothermal condition of 90°C for 2 hours. The produced materials were characterized by XRD, EDS, SEM, and XPS. MAF-6 and the derived metal oxides acted as the electrode materials of supercapacitors. This study reported that ZnO/Co3O4 exhibited the maximal specific capacitance of 830.20 F/g at 1A/g, resulting from the synergy of Zn and Co and the enhanced conductivity. Furthermore, ZnO/Co3O4 electrode exhibited prominent rate capacitance, high electrochemical reversibility, and long life (89% capacitance was kept after 1000 cycles at 1 A/g). Given the results of this study, the prepared ZnO/Co3O4 electrode can be demonstrated as a potential candidate in the field of renewable energy storage.
Supporting Information
| Filename | Description |
|---|---|
| er5554-sup-0001-FigureS1.docxWord 2007 document , 623.8 KB | Figure S1. CV curves of MAF-6 (Zn) (A), MAF-6 (Co) (B), MAF-6-derived ZnO (C), and MAF-6-derived Co3O4 (D) at different scan rates. Figure S2. GCD curves of MAF-6 (Zn) (A), MAF-6 (Co) (B), MAF-6-derived ZnO (C), and MAF-6-derived Co3O4 (D) at various current densities. Figure S3. XRD patterns of MAF-6-derived metal oxides. |
Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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